LEWISTOWN, IL 61542 Weather Forecast & Current Conditions

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PEORIA, IL
Current Weather

12:54 PM CDT APR 1, 2026
Overcast
45°F
Feels Like: 37°F
Dewpoint: 39°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: ENE at 18 mph, gusts to 29
Pressure: 30.12 inches
Last 72 hours

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LEWISTOWN, IL 61542
Weather Forecast

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Snow Depth pages
THIS AFTERNOON
Cloudy with a slight chance of showers and thunderstorms. Much cooler. Near steady temperature in the upper 40s. East winds around 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
Showers with a chance of thunderstorms. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
THURSDAY
A chance of thunderstorms. Showers, breezy and not as cool. More humid with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.
THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Breezy with lows in the lower 50s. Southwest winds 15 to 25 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 50 percent.
FRIDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon. Chance of rain 50 percent.
FRIDAY NIGHT
A chance of thunderstorms in the evening. Showers. Lows around 50. Chance of rain 90 percent.
SATURDAY
Mostly cloudy. A chance of showers in the morning. Much cooler with highs in the mid 50s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy in the evening, then clearing. Much cooler with lows in the mid 30s.
SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the mid 50s. Lows in the mid 30s.
MONDAY
Sunny. Highs in the upper 50s.
MONDAY NIGHT
Mostly cloudy. Lows in the mid 30s.
TUESDAY
Mostly sunny. Highs in the mid 50s.

Visible Weather Satellite
LEWISTOWN, IL 61542
Infrared Weather Satellite
LEWISTOWN, IL 61542
NEXRAD Weather Radar
LEWISTOWN, IL 61542

PEORIA, IL 3 hourly weather forecast

weather forecast created  5:00 AM MST  4/ 1/2026
Wednesday
1 APR 2026
LEWISTOWN, IL 61542 weather forecast Day 1, 12 hours 12 PM 44° 37° Mostly Cloudy 49%
RAIN
.1–.25 in
0% Thunder
( 11% severe)
ENE   14 86% 40°
High 48° LEWISTOWN, IL 61542 weather forecast Day 1, 15 hours 3 PM 46° 40° Mostly Cloudy ENE   14 83% 41°
Mostly Cloudy

Rain Likely

LEWISTOWN, IL 61542 weather forecast Day 1, 18 hours 6 PM 47° 41° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 31% severe)
ENE   13 80% 41°
LEWISTOWN, IL 61542 weather forecast Day 1, 21 hours 9 PM 47° 41° Mostly Cloudy E   13 83% 42°
Thursday
2 APR 2026
LEWISTOWN, IL 61542 weather forecast Day 2, 0 hours 12 AM 48° 43° Mostly Cloudy 81%
RAIN
***
0% Thunder
( 30% severe)
E   10 86% 44°
Low 46° LEWISTOWN, IL 61542 weather forecast Day 2, 3 hours 3 AM 51° 47° Mostly Cloudy ESE   10 89% 48°
High 74° LEWISTOWN, IL 61542 weather forecast Day 2, 6 hours 6 AM 56° 53° Mostly Cloudy 70%
RAIN
***
0% Thunder
( 18% severe)
SSE   12 90% 53°

Mostly Cloudy

Rain Likely


Breezy
LEWISTOWN, IL 61542 weather forecast Day 2, 9 hours 9 AM 64° 62° Mostly Cloudy S   16 87% 60°
LEWISTOWN, IL 61542 weather forecast Day 2, 12 hours 12 PM 69° 69° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 32% severe)
S   20 76% 61°
LEWISTOWN, IL 61542 weather forecast Day 2, 15 hours 3 PM 70° 70° Mostly Cloudy S   21 71% 60°
LEWISTOWN, IL 61542 weather forecast Day 2, 18 hours 6 PM 69° 69° Partly Cloudy 72%
RAIN
***
0% Thunder
( 29% severe)
S   17 70% 59°
LEWISTOWN, IL 61542 weather forecast Day 2, 21 hours 9 PM 65° 65° Mostly Cloudy SSW   15 78% 58°
Friday
3 APR 2026
LEWISTOWN, IL 61542 weather forecast Day 3, 0 hours 12 AM 60° 58° Partly Cloudy 13%
RAIN
***
0% Thunder
( 8% severe)
WSW   10 84% 55°
Low 51° LEWISTOWN, IL 61542 weather forecast Day 3, 3 hours 3 AM 55° 53° Partly Cloudy W   7 83% 50°
High 77° LEWISTOWN, IL 61542 weather forecast Day 3, 6 hours 6 AM 51° 50° Partly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 7% severe)
ENE   3 89% 48°

Mostly Cloudy

Chance of Rain

LEWISTOWN, IL 61542 weather forecast Day 3, 9 hours 9 AM 59° 58° Mostly Cloudy SE   7 78% 52°
LEWISTOWN, IL 61542 weather forecast Day 3, 15 hours 12 PM 68° 68° Mostly Cloudy 47%
RAIN
.5–1 in
0% Thunder
( 26% severe)
SSE   10 73% 59°
LEWISTOWN, IL 61542 weather forecast Day 3, 18 hours 3 PM 74° 74° Mostly Cloudy S   12 62% 60°
LEWISTOWN, IL 61542 weather forecast Day 3, 21 hours 6 PM 72° 72° Mostly Cloudy     SSE   10 66% 60°

PEORIA, IL extended weather forecast

Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Low 52° Low 34° Low 35° Low 34° Low 31°
High 55° High 52° High 56° High 49° High 55°
LEWISTOWN, IL 61542 weather forecast Day 4 LEWISTOWN, IL 61542 weather forecast Day 5 LEWISTOWN, IL 61542 weather forecast Day 6 LEWISTOWN, IL 61542 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
81% Rain
Mostly Cloudy
17% Rain
Mostly Cloudy
22% Rain
Mostly Cloudy
32% Rain
Partly Cloudy
20% Rain
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